Finding the Fourth Proportional to 35,655,420.64, 53,467,556.52 and 12,618,698.68
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Solution
The fourth proportional to 35,655,420.64, 53,467,556.52 and 12,618,698.68 is: 18,922,536.12
Step by Step Solution
- Step 1: Write the proportion equation
35,655,420.64 : 53,467,556.52 = 12,618,698.68 : x - Step 2: Convert to fraction form
35,655,420.64/53,467,556.52 = 12,618,698.68/x - Step 3: Cross multiply
35,655,420.64x = 53,467,556.52 × 12,618,698.68 - Step 4: Simplify right side
35,655,420.64x = 674,690,984,881,749.38 - Step 5: Solve for x
x = 674,690,984,881,749.38/35,655,420.64 - Step 6: Final answer
x = 18,922,536.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.